5-Methyl-3H-1,3-benzoxazol-2-one CAS 22876-15-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 22876-15-9 |
| Molecular Formula | C8H7NO2 |
| Molecular Weight | 149.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Methyl-3H-1,3-benzoxazol-2-one (CAS 22876-15-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H7NO2. Molecular weight: 149.15 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H7NO2 |
| Molecular Weight | 149.15 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 5-Methyl-1H-pyrazolo[4,3-b]pyridin-7(4H)-one (CAS 94220-37-8)
- 5-Methyl-3H-pyrrolo[3,2-d]pyrimidin-4(5H)-one (CAS 919278-72-1)
- 5-Methyl-1h-pyrazolo[3,4-c]pyridazin-3-amine (CAS 2125-93-1)
- 6-(4-Ethoxybenzyl)-3-(o-tolylamino)-1,2,4-triazin-5(4H)-one (CAS 905765-12-0)
- 3-(Trifluoromethyl)benzenepropanol-d4 (CAS 2733832-70-5)
- 6,8-Dibromo-2-methylquinazolin-4(3H)-one (CAS 82326-77-0)
- 8-Bromonaphthalene-1-sulfonic acid (CAS 63970-02-5)
- Methyl 2-(3-(3-(1H-imidazol-1-yl)-5-(trifluoromethyl)pyridin-2-yl)-1H-1,2,4-triazol-1-yl)acetate (CAS 1823188-37-9)
- N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)furan-3-carboxamide (CAS 720702-76-1)
- Insulin Pork(≥27 USP units/mg) (CAS 12584-58-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com